42
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Use Pythagoras' theorem: 42+42 = 32 and the square root of this is the length of the hypotenuse
None. 42 yards is a length with no width. Therefore it cannot have a perimeter.
42
2w + 2l = 288 w + 42 = l substitute 2w + 2(w + 42) = 288 2w + 2w + 84 = 288 4w = 288 - 84 w = 51 51 + 42 = l l = 93
The tangent of 42 degrees is approximately 0.9004. To calculate this, you can use a scientific calculator or a trigonometric table. The tangent function in trigonometry is defined as the ratio of the length of the side opposite to the angle to the length of the side adjacent to the angle in a right triangle.